<template>
  <div class="shopcar_container">
    <!-- 商品列表区域 -->
    <div class="goods_list">
      <div class="mui-card" v-for="(item,i) in goodlist" :key="item.id">
        <div class="mui-card-content">
          <div
            class="mui-card-content-inner"
          >
          <mt-switch v-model="$store.getters.getGoodsSelected[item.id]"
          @change="selectedChanged(item.id,$store.getters.getGoodsSelected[item.id])"></mt-switch>
          <img :src="item.thumb_path" alt="">
          <div class="info">
            <h1>{{item.title}}</h1>
            <p>
              <span class="price">￥{{item.sell_price}}</span>
              <numbox :initcount="$store.getters.getGoodsCount[item.id]"
              :goodsid="item.id"></numbox>
              <a href="#" @click.prevent="remove(item.id,i)">删除</a>
            </p>
          </div>
          </div>
        </div>
      </div>
    </div>

    <!-- 结算区域 -->
    <div class="mui-card">
				<div class="mui-card-content">
					<div class="mui-card-content-inner jiesuan">
						<div class="left">
              <p>总计（不含运费）</p>
              <p>已勾选商品 <span class="red">{{$store.getters.getGoodsCountAndAmount.count}}</span> 件，总价 <span class="red">
                {{$store.getters.getGoodsCountAndAmount.amount}}</span></p>
            </div>
              <mt-button type="danger">结算</mt-button>
					</div>
				</div>
			</div>

      <p>{{$store.getters.getGoodsSelected}}</p>
  </div>
</template>
<script>
import numbox from './subcomponents/shopcar_numbox'
export default {
  data(){
    return{
      goodlist:[]
    }
  },
  created(){
    this.getGoodsList();
  },
  methods:{
    async getGoodsList(){
      //1.获取到store中所有商品id，拼接出字符串
      var idArr = [];
      this.$store.state.car.forEach(item=>idArr.push(item.id));
      //如果购物车中没有商品，不需要请求购物接口
      if(idArr.length<=0){
        return;
      }
      const res = await this.$http.get("/goods/getshopcarlist/"+idArr.join(','));
      this.goodlist = res.data.message;
    },
    remove(id,index){
      //点击删除，把商品从store根据id删除，同时把goodlist根据index删除
      this.goodlist.splice(index,1);
      this.$store.commit("removeFromCar",id);
    },
    selectedChanged(id,val){
      //每当点击开关，把最新的开关 状态同步到store
      this.$store.commit('updateGoodsSelected',{id,selected:val});
    }
  },
  components:{
    numbox
  },

};
</script>
<style lang="scss" scoped>
.shopcar_container{
  background-color: #eee;
  overflow: hidden;
  .goods_list{
    .mui-card-content-inner{
      display: flex;
      align-items: center;
    }
    img{
      width: 60px;
      height: 60px;
    }
    h1{
      font-size: 13px;
    }
    .info{
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      .price{
        color: red;
        font-weight: bold;
      }
    }
  }
  .jiesuan{
    display: flex;
    justify-content: space-between;
    align-items: center;
    .red{
      font-weight: bold;
      font-size: 16px;
      color: red;
    }
  }
}
</style>

